/* ==========================================================
   QRlingo — Legal Pages Stylesheet
   Self-contained. No external CDNs — Cairo font is bundled locally
   (same font family used across the QRlingo app) via @font-face below.
   ========================================================== */

@font-face{
  font-family:'Cairo';
  font-weight:400;
  font-style:normal;
  font-display:swap;
  src:url('fonts/Cairo-Regular.ttf') format('truetype');
}
@font-face{
  font-family:'Cairo';
  font-weight:500;
  font-style:normal;
  font-display:swap;
  src:url('fonts/Cairo-Medium.ttf') format('truetype');
}
@font-face{
  font-family:'Cairo';
  font-weight:600;
  font-style:normal;
  font-display:swap;
  src:url('fonts/Cairo-SemiBold.ttf') format('truetype');
}
@font-face{
  font-family:'Cairo';
  font-weight:700;
  font-style:normal;
  font-display:swap;
  src:url('fonts/Cairo-Bold.ttf') format('truetype');
}
@font-face{
  font-family:'Cairo';
  font-weight:800;
  font-style:normal;
  font-display:swap;
  src:url('fonts/Cairo-ExtraBold.ttf') format('truetype');
}

:root{
  --cyan:#00d4ff;
  --orange:#e8602a;

  --bg:#161616;
  --bg-secondary:#1e1e1e;
  --surface:#232323;
  --surface2:#2b2b2b;
  --glass:rgba(255,255,255,.05);
  --glass-border:rgba(255,255,255,.08);
  --hairline:rgba(255,255,255,.09);
  --text:#f1f1f1;
  --text-sub:#a8a8a8;
  --text-muted:#767676;

  --danger:#ef4444;
  --success:#22c55e;
  --warning:#f59e0b;

  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --max-w:840px;
  --font:'Cairo',-apple-system,BlinkMacSystemFont,"Segoe UI",Tahoma,Arial,"Noto Kufi Arabic","Helvetica Neue",sans-serif;
}

[data-theme="light"]{
  --bg:#f5f5f5;
  --bg-secondary:#ececec;
  --surface:#ffffff;
  --surface2:#eeeeee;
  --glass:rgba(0,0,0,.03);
  --glass-border:rgba(0,0,0,.07);
  --hairline:rgba(0,0,0,.1);
  --text:#1a1a1a;
  --text-sub:#54545a;
  --text-muted:#8a8a8a;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(0,212,255,.12), transparent 60%),
    radial-gradient(700px 500px at 100% 0%, rgba(232,96,42,.08), transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.75;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  transition:background-color .25s ease, color .25s ease;
}
[dir="rtl"] body{ font-feature-settings:"kern" 1; }

a{ color:var(--cyan); text-decoration:none; }
a:hover{ text-decoration:underline; }
ul,ol{ padding-inline-start:22px; }
li{ margin-bottom:8px; }

/* ── Top bar ── */
.topbar{
  position:sticky; top:0; z-index:20;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; padding:14px 20px;
  background:rgba(20,20,20,.72);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--hairline);
}
[data-theme="light"] .topbar{ background:rgba(255,255,255,.78); }

.brand{ display:flex; align-items:center; gap:9px; font-weight:800; font-size:19px; color:var(--text); }
.brand-mark{
  width:32px; height:32px; border-radius:9px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--cyan),#0099bb);
  color:#001217; font-weight:900; font-size:13px;
}
.brand-lingo{ color:var(--cyan); }

.topbar-actions{ display:flex; align-items:center; gap:8px; }
.icon-btn{
  width:38px; height:38px; border-radius:var(--r-sm);
  display:flex; align-items:center; justify-content:center;
  background:var(--glass); border:1px solid var(--glass-border);
  color:var(--text); cursor:pointer; transition:.18s;
}
.icon-btn:hover{ background:var(--surface2); }
.icon-btn svg{ width:18px; height:18px; }

/* ── Layout ── */
main{ max-width:var(--max-w); margin:0 auto; padding:36px 20px 80px; }
.page-head{ margin-bottom:30px; }
.page-head h1{ font-size:clamp(26px,4vw,34px); font-weight:800; margin-bottom:8px; }
.page-head .updated{ color:var(--text-muted); font-size:13.5px; }
.page-head .lede{ color:var(--text-sub); font-size:15.5px; margin-top:14px; max-width:640px; }

.card{
  background:var(--surface);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  padding:26px clamp(18px,4vw,34px);
  box-shadow:0 10px 28px rgba(0,0,0,.18);
}
[data-theme="light"] .card{ box-shadow:0 10px 28px rgba(0,0,0,.06); }

section.block{ margin-bottom:30px; }
section.block:last-child{ margin-bottom:0; }
section.block h2{
  font-size:19px; font-weight:800; margin-bottom:10px;
  display:flex; align-items:center; gap:8px; color:var(--text);
}
section.block h2 .num{
  display:inline-flex; align-items:center; justify-content:center;
  width:26px; height:26px; border-radius:8px; flex-shrink:0;
  background:rgba(0,212,255,.14); color:var(--cyan);
  font-size:12.5px; font-weight:800;
}
section.block h3{ font-size:15.5px; font-weight:700; margin:16px 0 8px; color:var(--text); }
section.block p{ color:var(--text-sub); font-size:14.5px; margin-bottom:10px; }
section.block li{ color:var(--text-sub); font-size:14.5px; }
section.block strong{ color:var(--text); }

.placeholder{
  display:inline-block;
  background:rgba(245,158,11,.14);
  color:var(--warning);
  border:1px dashed rgba(245,158,11,.5);
  border-radius:6px;
  padding:1px 8px;
  font-size:13.5px;
  font-weight:700;
}

.note{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-inline-start:3px solid var(--cyan);
  border-radius:var(--r-sm);
  padding:12px 16px;
  font-size:13.5px;
  color:var(--text-sub);
  margin:12px 0;
}
.note.warn{ border-inline-start-color:var(--warning); }
.note.danger{ border-inline-start-color:var(--danger); }

table{ width:100%; border-collapse:collapse; margin:10px 0 4px; font-size:13.5px; }
th,td{ text-align:start; padding:9px 10px; border-bottom:1px solid var(--hairline); color:var(--text-sub); }
th{ color:var(--text); font-weight:700; }

.toc{
  display:flex; flex-wrap:wrap; gap:8px;
  margin-bottom:26px;
}
.toc a{
  font-size:13px; font-weight:600;
  padding:7px 12px; border-radius:999px;
  background:var(--glass); border:1px solid var(--glass-border);
  color:var(--text-sub); text-decoration:none;
}
.toc a:hover{ color:var(--cyan); border-color:rgba(0,212,255,.4); }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:46px; padding:0 22px; border-radius:var(--r-sm);
  font-weight:700; font-size:14.5px; cursor:pointer;
  border:1px solid transparent; text-decoration:none;
}
.btn-primary{ background:var(--cyan); color:#001217; }
.btn-primary:hover{ opacity:.9; text-decoration:none; }
.btn-ghost{ background:var(--glass); border-color:var(--glass-border); color:var(--text); }
.btn-ghost:hover{ background:var(--surface2); text-decoration:none; }
.btn-danger{ background:rgba(239,68,68,.12); border-color:rgba(239,68,68,.35); color:var(--danger); }
.btn-danger:hover{ background:rgba(239,68,68,.2); text-decoration:none; }

.steps{ display:flex; flex-direction:column; gap:14px; margin:14px 0; }
.step{ display:flex; gap:14px; align-items:flex-start; }
.step-num{
  width:30px; height:30px; border-radius:50%; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(0,212,255,.14); color:var(--cyan); font-weight:800; font-size:13.5px;
}
.step-body strong{ display:block; font-size:14.5px; margin-bottom:2px; }
.step-body span{ color:var(--text-sub); font-size:13.5px; }

.grid-cards{ display:grid; grid-template-columns:1fr 1fr; gap:14px; margin:16px 0; }
.mini-card{
  background:var(--glass); border:1px solid var(--glass-border);
  border-radius:var(--r-md); padding:16px;
}
.mini-card h4{ font-size:14px; margin-bottom:6px; color:var(--text); }
.mini-card p{ font-size:13px; color:var(--text-sub); margin:0; }

/* ── Landing hub ── */
.hub-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:26px; }
.hub-card{
  background:var(--surface); border:1px solid var(--glass-border);
  border-radius:var(--r-lg); padding:24px 20px; text-decoration:none;
  color:var(--text); transition:.18s; display:flex; flex-direction:column; gap:10px;
}
.hub-card:hover{ transform:translateY(-2px); border-color:rgba(0,212,255,.4); text-decoration:none; }
.hub-card .hub-icon{
  width:42px; height:42px; border-radius:12px;
  background:rgba(0,212,255,.14); color:var(--cyan);
  display:flex; align-items:center; justify-content:center;
}
.hub-card h3{ font-size:16.5px; font-weight:800; }
.hub-card p{ font-size:13.5px; color:var(--text-sub); line-height:1.6; }
.hub-card .go{ font-size:13px; font-weight:700; color:var(--cyan); margin-top:auto; }

/* ── Footer ── */
footer{
  border-top:1px solid var(--hairline);
  padding:26px 20px 40px;
  text-align:center;
  color:var(--text-muted);
  font-size:12.5px;
}
footer .foot-links{ margin-bottom:10px; display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
footer a{ color:var(--text-sub); }

/* ── Responsive ── */
@media (max-width:640px){
  .hub-grid{ grid-template-columns:1fr; }
  .grid-cards{ grid-template-columns:1fr; }
  main{ padding:26px 16px 60px; }
  .card{ padding:20px 16px; }
  .brand span.brand-full{ display:none; }
}